package pri.ydy.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import pri.ydy.eduorder.entity.Order;
import pri.ydy.eduorder.entity.PayLog;
import pri.ydy.eduorder.mapper.PayLogMapper;
import pri.ydy.eduorder.service.OrderService;
import pri.ydy.eduorder.service.PayLogService;
import pri.ydy.eduorder.utils.HttpClient;
import pri.ydy.serviceBase.exceptionhandler.GuliException;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author YeDongyong
 * @since 2021-02-07
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Autowired
    private OrderService orderService;

    //生成微信支付二维码
    @Override
    public Map createNative(String orderNo) {
        try {
            //1.根据订单号查询订单信息
            QueryWrapper<Order> wrapper=new QueryWrapper<>();
            wrapper.eq("order_no",orderNo);
            Order order = orderService.getOne(wrapper);

            //2.使用map设置生成二维码需要参数
            Map m=new HashMap();//map转xml方便
            //关于赋值,也可以使用一个工具类,比较安全一些
            m.put("appid", "wx74862e0dfcf69954");//微信id
            m.put("mch_id", "1558950191");//商户号
            m.put("nonce_str", WXPayUtil.generateNonceStr());//生成随机字符串
            m.put("body", order.getCourseTitle());//课程名称
            m.put("out_trade_no", orderNo);//二维码唯一标志
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");//价格
            m.put("spbill_create_ip", "127.0.0.1");//支付ip
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");//回调地址,暂时没用
            m.put("trade_type", "NATIVE");//支付类型

            //3.发送httpclient请求,传递参数xml格式,微信支付提供的固定地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");//weixin 固定地址
            //设置xml格式的参数,使用商户key对上面的参数进行加密
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);//支持https访问
            //执行请求发送
            client.post();

            //4.得到发送请求返回结果
            String xml = client.getContent();
            //将xml转为map进行返回
            Map<String,String> resultMap=WXPayUtil.xmlToMap(xml);
            //数据可能不全,再进行封装
            Map map=new HashMap();
            map.put("out_trade_no", orderNo);
            map.put("course_id", order.getCourseId());
            map.put("total_fee", order.getTotalFee());
            map.put("result_code", resultMap.get("result_code"));//返回二维码操作的状态码,200
            map.put("code_url", resultMap.get("code_url"));//生成二维码的地址

            return map;

        }catch (Exception e) {
            throw new GuliException(20001, "支付二维码生成失败");
        }
    }

    //根据订单号查询支付状态
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2、设置请求
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();
            //3、返回第三方的数据
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //6、转成Map
            //7、返回
            return resultMap;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    //添加记录到表中,更新订单表状态
    @Override
    public void updateOrderStatus(Map<String, String> map) {
        //从map获取订单号
        String orderNo = map.get("out_trade_no");
        //根据订单号查询订单信息
        QueryWrapper<Order> wrapper=new QueryWrapper<>();
        wrapper.eq("order_no",orderNo);
        Order order = orderService.getOne(wrapper);
        //做更新操作
        if(order.getStatus() ==1){
            return;
        }
        order.setStatus(1);
        orderService.updateById(order);

        //向支付表中添加数据
        PayLog payLog=new PayLog();
        payLog.setOrderNo(order.getOrderNo());//支付订单号
        payLog.setPayTime(new Date());
        payLog.setPayType(1);//支付类型
        payLog.setTotalFee(order.getTotalFee());//总金额(分)
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id"));
        payLog.setAttr(JSONObject.toJSONString(map));
        baseMapper.insert(payLog);

    }


}
